package com.creativemd.randomadditions.client.rendering;

import org.lwjgl.opengl.GL11;

import net.minecraft.block.Block;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.renderer.ItemRenderer;
import net.minecraft.client.renderer.OpenGlHelper;
import net.minecraft.client.renderer.RenderBlocks;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.entity.RenderItem;
import net.minecraft.client.renderer.texture.TextureManager;
import net.minecraft.client.renderer.texture.TextureMap;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.IIcon;
import net.minecraft.util.ResourceLocation;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

@SideOnly(Side.CLIENT)
public class RenderHelper2D {

    public static RenderItem renderer = RenderItem.getInstance();
    public static Minecraft mc = Minecraft.getMinecraft();

    public static void renderItem(ItemStack stack, int x, int y)
    {
        renderItem(stack, x, y, 1.0);
    }

    public static void renderItem(ItemStack stack, int x, int y, double alpha, double rotation)
    {
        renderItem(stack, x, y, alpha, rotation, 16, 16);
    }

    public static void renderItem(ItemStack stack, int x, int y, double alpha, double rotation, double sizeX, double sizeY)
    {
        if(stack != null)
            renderItemIntoGUI(mc.fontRenderer, mc.renderEngine, stack, x, y, true, alpha, rotation, sizeX, sizeY);
    }

    public static void renderItem(ItemStack stack, int x, int y, double alpha)
    {
        renderItem(stack, x, y, alpha, 0);
    }

    public static void renderIcon(IIcon icon, int x, int y, double alpha, boolean isBlock, double rotation, double sizeX, double sizeY)
    {
        GL11.glPushMatrix();
        GL11.glTranslated(x+8, y+8, 0);
        GL11.glRotated(rotation, 0, 0, 1);
        GL11.glTranslated(-x-8, -y-8, 0);
        GL11.glDisable(GL11.GL_LIGHTING);
        GL11.glEnable(GL11.GL_BLEND);
        OpenGlHelper.glBlendFunc(770, 771, 1, 0);
        int sprite = 1;
        if(isBlock)
            sprite = 0;
        ResourceLocation resourcelocation = mc.renderEngine.getResourceLocation(sprite);
        mc.renderEngine.bindTexture(resourcelocation);

        GL11.glDisable(GL11.GL_LIGHTING); //Forge: Make sure that render states are reset, a renderEffect can derp them up.
        GL11.glEnable(GL11.GL_ALPHA_TEST);
        GL11.glEnable(GL11.GL_BLEND);

        GL11.glColor4d(1, 1, 1, alpha);

        renderer.renderIcon(x, y, icon, (int)sizeX, (int)sizeY);

        GL11.glEnable(GL11.GL_LIGHTING);
        GL11.glDisable(GL11.GL_ALPHA_TEST);
        GL11.glDisable(GL11.GL_BLEND);

        GL11.glEnable(GL11.GL_LIGHTING);

        GL11.glEnable(GL11.GL_CULL_FACE);
        GL11.glPopMatrix();
    }

    public static void renderItemIntoGUI(FontRenderer font, TextureManager texture, ItemStack stack, int x, int y, boolean renderEffect, double alpha, double rotation, double sizeX, double sizeY)
    {
    //necessary render code
    }
}